參數(shù)資料
型號(hào)： CV211-3
廠(chǎng)商： Electronic Theatre Controls, Inc.
英文描述： UMTS-band Dual-Branch Downconverter
中文描述： UMTS的頻段雙科變頻器
文件頁(yè)數(shù)： 1/7頁(yè)
文件大?。?/td> 391K
代理商： CV211-3
Specifications and information are subject to change without notice
WJ Communications, Inc
Phone 1-800-WJ1-4401
FAX: 408-577-6621
e-mail: sales@wj.com
Web site: www.wj.com
Page 1 of 7 February 2005
CV211-3
UMTS-band Dual-Branch Downconverter
Product Information
The Communications Edge
TM
Product Features
High dynamic range downconverter
with integrated LO and IF amplifiers
Dual channels for diversity
+28 dBm Input IP3
+11.5 dBm Input P1dB
RF: 1900 – 2200 MHz
IF: 65 – 200 MHz
Single supply operation (+5 V)
Pb-free 6mm 28-pin QFN package
Low-side LO configuration
Common footprint with other
PCS/UMTS/cellular versions
Specifications
(1)
Product Description
The
downconverter designed to meet the demanding
performance, functionality, and cost goals of current and
next generation mobile infrastructure basestations. It
provides high dynamic range performance in a low profile
surface-mount leadless package that measures 6 x 6 mm
square.
It is ideally suited for high dynamic range receiver front
ends using diversity receive channels. Functionality
includes frequency conversion and IF amplification,
while an integrated LO driver amplifier powers the
passive mixer. The MCM is implemented with reliable
and mature GaAs MESFET and InGaP HBT technology.
Typical applications include frequency downconversion
used in W-CDMA 2.5G and 3G mobile base transceiver
stations.
CV211-3
is
a
dual-channel
high-linearity
Functional Diagram
Top View
Parameters
RF Frequency Range
LO Frequency Range
IF Frequency Range
% Bandwidth around IF center frequency
IF Test Frequency
SSB Conversion Gain
Gain Drift over Temp (-40° C to 85° C)
Input IP3
Input IP2
Input 1 dB Compression Point
Noise Figure
LO Input Drive Level
LO-RF Isolation
LO-IF Isolation
Branch-Branch Isolation
Return Loss: RF Port
Return Loss: LO Port
Return Loss: IF Port
Operating Supply Voltage
Supply Current
Thermal Resistance
Junction Temperature
Units
MHz
MHz
MHz
%
MHz
dB
dB
dBm
dBm
dBm
dB
dBm
dB
dB
dB
dB
dB
dB
V
mA
°C / W
°
C
Min
Typ
Max
Comments
See note 2
See note 3
Temp = 25° C
Referenced to +25° C
See note 4
See note 4
See note 4
See note 5
P
LO
= 0 dBm
P
LO
= 0 dBm
See note 6
1900 – 2200
1700 – 2135
65 – 200
±7.5
75
9.5
±0.3
+28
+35
+11.5
11.5
0
9
24
42
15
18
17
+5
380
8
12
+1.5
+2.5
475
27
160
-1.5
+25
+33
-2.5
320
1. Specifications when using the application specific circuit (shown on page 3) with a low side LO = 0 dBm and IF = 75 MHz in a downconverting application at 25
°
C.
2. IF matching components affect the center IF frequency. Proper component values for other IF center frequencies than shown can be provided by emailing to applications.engineering@wj.com.
3. The IF bandwidth of the converter is defined as 15% around any center frequency in its operating IF frequency range. The bandwidth is determined with external components. Specifications are valid around
the total ±7.5% bandwidth. ie. with a center frequency of 80 MHz, the specifications are valid from 80 ± 6 MHz.
4. Assumes the supply voltage = +5 V. IIP3 is measured with
Δ
f
= 1 MHz with RF
= -5 dBm / tone.
5. Assumes LO injection noise is filtered at the thermal noise floor, -174 dBm/Hz, at the RF, IF, and Image frequencies.
6. The maximum junction temperature ensures a minimum MTTF rating of 1 million hours of usage.
Absolute Maximum Rating
Parameter
Operating Case Temperature
Storage Temperature
DC Voltage
Junction Temperature
Rating
-40° to +85
°
C
-55° to +150° C
+5.5 V
+220 °C
Operation of this device above any of these parameters may cause permanent damage.
Ordering Information
Part No.
CV211-3
Description
UMTS-band Dual-Branch Downconverter
(leaded QFN Pkg)
UMTS-band Dual-Branch Downconverter
(lead-free/RoHS-compliant QFN Pkg)
Fully-Assembled Application Board, IF = 75MHz
CV211-3F
CV211-3PCB75
1
2
3
4
5
6
7
21
20
19
18
17
16
15
28
27
26
25
24
23
22
8
9
10
G
11
12
13
14
IF Amp 2
IF Amp 1
LO Driver Amp
BIAS
GND
N/C
GND
LO
GND
N/C
IRF 1
GND
BIAS
GND
N/C
GND
G
M
I
G
A
I
G
G
G
M
I
G
G
IF
A
I
I
O
I
O
IF
RF
RF
RF 2
INPUT
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